YAML Tools

A collection of free YAML utilities for formatting, validating, converting, and transforming YAML data. All processing happens locally in your browser.

Format YAML

Pretty-print YAML with customizable indentation

Minify YAML

Compress YAML into compact inline flow style

Validate YAML

Check YAML for syntax errors with line and column numbers

View YAML Tree

Explore YAML as an interactive collapsible tree

Parse YAML

Analyse structure, types, nesting depth, and key counts

YAML to JSON

Convert YAML documents to JSON format

YAML to XML

Convert YAML to XML markup with proper element nesting

YAML to TOML

Convert YAML to TOML configuration format